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TIME SERIES STUDY ON AIR POLLUTION AND MORTALITY IN DELHI, INDIA
R. Uma 1, S. K. Chhabra 2, G. C. Kilnani3, D. Caussy 4, S. Nairy 1, M. Seghal 1, S. Raghvan 1 1The Energy and Resources Institute, New Delhi, 2 V P Chest Institute, Delhi, 3 All India Institute of Medical Sciences, New Delhi, 4WHOSEARO, Delhi.

ABSTRACT

Health effects of air pollution have been established by a number of epidemiological studies in various parts of the world. Epidemiological studies conducted in developed countries suggest that an increase in 100 µg/m3 of TSP is associated with an increase of 3-8% of mortality. However such studies in India are limited. Considering the significance of problem and lack of scientific evidence, a multidisciplinary team comprising of researchers from TERI, VP Chest Institute, All India Institute of Medical Sciences (AIIMS), with the support from Health Effect Institute, Boston initiate a study to assess the relationship between air pollution and mortality in the city of Delhi. The poster will (i) assess the time series data on air quality parameters and mortality to study the relationship between air pollution (mainly RSPM) and mortality due to cardio respiratory diseases in Delhi, and (ii) assess the daily change in mortality in relation with change in air quality after controlling for the exogenous parameters. It is proposed to use a retrospective time series data (2 years data) on air quality and registered data on death to study the change in daily death rate due to change in air quality levels. The methodology involves collection of data on ambient air quality for major criteria for all monitored stations (11 stations) for the period 2 years (2002 & 2003); meteorological data (Temperature, humidity and Visibility); Population and age-distribution data and collection of death certificates from the Registrar of Births and Deaths, and code the primary cause of death as per the International classification system and statistically analyze the data to study the association of age specific death due to cardio respiratory problem with exposure to air pollution after controlling the exogenous effects of weather parameters.

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